Home / 517,928,291.26-714,732,700.71-282,973,906.78

Finding the Fourth Proportional to 517,928,291.26, 714,732,700.71 and 282,973,906.78

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Solution

The fourth proportional to 517,928,291.26, 714,732,700.71 and 282,973,906.78 is: 390,499,434.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,928,291.26 : 714,732,700.71 = 282,973,906.78 : x
  2. Step 2: Convert to fraction form
    517,928,291.26/714,732,700.71 = 282,973,906.78/x
  3. Step 3: Cross multiply
    517,928,291.26x = 714,732,700.71 × 282,973,906.78
  4. Step 4: Simplify right side
    517,928,291.26x = 202,250,704,623,329,184
  5. Step 5: Solve for x
    x = 202,250,704,623,329,184/517,928,291.26
  6. Step 6: Final answer
    x = 390,499,434.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.